For the latest list of MOS listings and identifiers you should visit the US Army Human Resource Command (HRC) PAMXXI (Personnel Authorizations Module) Website - MOS Charts.

The United States Army

United States Army

The United States Army is the main branch of the United States Armed Forces responsible for land-based military operations. It is the largest and oldest established branch of the U.S. military, and is one of seven U.S. uniformed services...

 uses various personnel management systems to classify soldiers in different specialties. Enlisted soldiers are categorized by their assigned job called a military occupational specialty, or MOS

Military Occupational Specialty

A United States military occupation code, or a Military Occupational Specialty code , is a nine character code used in the United States Army and United States Marines to identify a specific job. In the U.S. Air Force, a system of Air Force Specialty Codes is used...

. Each MOS are labeled with a short alphanumerical code called a military occupational specialty code (MOSC), which consists of a two-digit number appended by a Latin letter. Related MOSs are grouped together by Career Management Fields (CMF). For example, an enlisted soldier with MOSC 11B works as an infantryman (his MOS), and is part of CMF 11 (the CMF for infantry).

Commissioned officers are classified by their area of concentration, or AOC. Just like enlisted MOSCs, AOCs are two digits plus a letter. Related AOCs are grouped together by specific branch

United States Army branch insignia

Branch insignia of the United States Army refers to military emblems that may be worn on the uniform of the United States Army to denote membership in a particular area of expertise and series of functional areas...

 of the Army or by broader in scope functional areas (FA). Typically, an officer will start in an AOC of a specific branch and move up to an FA AOC.

Warrant officers

Warrant Officer (United States)

In the United States military, the rank of warrant officer is rated as an officer above the senior-most enlisted ranks, as well as officer cadets and candidates, but below the officer grade of O-1...

 are classified by warrant officer military occupational specialty, or WOMOS. Codes consists of three digits plus a letter. Related WOMOS are grouped together by Army branch.

The Army is currently restructuring its personnel management systems. Changes took place in 2004 and will continue into 2013. Changes already taken place include deleting obsolete jobs, merging redundant jobs, and using common numbers for both enlisted CMFs and officer AOCs (e.g. "35" is military intelligence for both officers and enlisted).

Infantry Branch

Infantry Branch (United States)

The Infantry Branch is a branch of the United States Army First established in 1775.-History:Ten companies of riflemen were authorized by a resolution of the Continental Congress on 14 June 1775...

 (IN)

NOTE: All closed to women

Officer

• 11A Infantry
  Infantry
  Infantrymen are soldiers who are specifically trained for the role of fighting on foot to engage the enemy face to face and have historically borne the brunt of the casualties of combat in wars. As the oldest branch of combat arms, they are the backbone of armies...
  
   Officer

Enlisted

• 11B Infantryman (Includes soldiers formerly designated 11M (Mechanized) and 11H (Anti-Armor))
• 11C Indirect Fire Infantryman (Mortarman)
• 11X Infantry Recruit (status upon infantry initial entry training; turns into 11B or 11C)
• 11Z Infantry Senior Sergeant

Corps of Engineers Branch

United States Army Corps of Engineers

The United States Army Corps of Engineers is a federal agency and a major Army command made up of some 38,000 civilian and military personnel, making it the world's largest public engineering, design and construction management agency...

 (EN)

In 2004, the engineer designation changed from 12 to 21.

In 2008, the engineer designation was changed again, from CMF 21 to CMF 12.



Officer

• 12A Engineer, General
• 12B Combat Engineer
  Combat engineering
  A combat engineer, also called pioneer or sapper in many armies, is a soldier who performs a variety of construction and demolition tasks under combat conditions...
  
   - Note: Closed to women
• 12D Facilities/Contract Construction Management Engineer (FCCME)

Warrant

• 120A Utilities Operation and Maintenance Technician
• 125D Geospatial Information Technician

Enlisted

• 12B Combat Engineer - Note: Closed to women
• 12C Bridge Crewmember
• 12D Diver
• 12G Quarrying Specialist
• 12H Construction Engineering Supervisor
• 12K Plumber
• 12M Firefighter
• 12N Horizontal Construction Engineer
• 12P Prime Power Production Specialist
• 12Q Power Line Distribution Specialist (RC)
• 12R Interior Electrician
• 12T Technical Engineer
• 12V Concrete and Asphalt Equipment Operator
• 12W Carpentry and Masonry Specialist
• 12X General Engineering Supervisor
• 12Y Geospatial Engineer
• 12Z Combat Engineering Senior Sergeant

Field Artillery Branch (FA)

Officer

• 13A Field Artillery
  Field artillery
  Field artillery is a category of mobile artillery used to support armies in the field. These weapons are specialized for mobility, tactical proficiency, long range, short range and extremely long range target engagement....
  
   Officer
• 29A Electronic Warfare Officer

Warrant

• 131A Field Artillery Targeting Technician
• 290A Electronic Warfare Targeting Technician

Enlisted

• 13B Cannon Crew Member Closed to Women
• 13D Field Artillery Tactical Data Systems Specialist Closed to Women
• 13E Cannon Fire Direction Specialist
• 13F Fire Support Specialist Closed to Women
• 13M MLRS/HIMARS Crewmember Closed to Women
• 13P MLRS Automated Tactical Data Systems Specialist Closed to Women
• 13R Field Artillery Firefinder Radar Operator Closed to Women
• 13T Field Artillery Surveyor/Meteorological Crew Member
• 13Z Field Artillery Senior Sergeant
• 29E Electronic Warfare Specialist

Air Defense Artillery Branch (ADA)

Officer

• 14A Air Defense Artillery
  Air Defense Artillery
  The Air Defense Artillery branch descended from the Anti-Aircraft Artillery into a separate branch on 20 June 1968...
  
   Officer

Warrant

• 140A Command and Control Systems Integrator
• 140E Air and Missile Defense (AMD) Tactician/Technician (Patriot
  MIM-104 Patriot
  The MIM-104 Patriot is a surface-to-air missile system, the primary of its kind used by the United States Army and several allied nations. It is manufactured by the Raytheon Company of the United States. The Patriot System replaced the Nike Hercules system as the U.S. Army's primary High to Medium...
  
   Systems Technician)
• 140Z Air Defense Artillery (ADA) Immaterial

Enlisted

• 14E Patriot
  MIM-104 Patriot
  The MIM-104 Patriot is a surface-to-air missile system, the primary of its kind used by the United States Army and several allied nations. It is manufactured by the Raytheon Company of the United States. The Patriot System replaced the Nike Hercules system as the U.S. Army's primary High to Medium...
  
   Fire Control Enhanced Operator/Maintainer
• 14G Air Defense Battle Management System Operator
• 14H Air Defense Enhanced Early Warning System Operator
• 14S Avenger
  M1097 Avenger
  The Avenger Air Defense System, designated AN/TWQ-1 under the Joint Electronics Type Designation System, is a missile system which provides mobile, short-range air defense protection for ground units against cruise missiles, unmanned aerial vehicles, low-flying fixed-wing aircraft, and helicopters...
  
   Crew Member
• 14T PATRIOT Launching Station Enhanced Operator/Maintainer
• 14Z Air Defense Artillery (ADA) Senior Sergeant

Special Forces Branch (SF)

Note: All closed to women

Officer

• 18A Special Forces Officer

Warrant

• 180A Special Forces Warrant Officer

Enlisted

• 18B Special Forces Weapons Sergeant
• 18C Special Forces Engineer Sergeant
• 18D Special Forces Medical Sergeant
• 18E Special Forces Communications Sergeant
• 18F Special Forces Assistant Operations & Intelligence Sergeant
• 18X Special Forces Candidate
• 18Z Special Forces Senior Sergeant

Armor Branch (AR)

Note: All closed to women

Officer

• 19A Armor, General
• 19B Armor
• 19C Cavalry

Enlisted

• 19D Cavalry Scout
  Cavalry Scout
  The Cavalry Scout is a job title and a reconnaissance specialist in the United States Army. Cavalry Scouts work to obtain, distribute and share vital combat and battlefield information on the enemy and on combat circumstances and environmental conditions. The role originated with the United States...
  
  
• 19K Armor Crew Member
  19K
  19K is the Military Occupational Specialty for the United States Army's M1 Armor Crewman .- Qualifications :Physical demands rating and qualifications for initial award of MOS...
  
  
• 19Z Armor Senior Sergeant

Telecommunications Systems Engineering (FA)

Officer

• 24A Telecommunications Systems Engineer
• 24X Designated Telecommunications Systems Engineer

Signal Corps Branch (SC)

Officer

• 25A Signal, General

Warrant

• 255A Information Services Technician
• 255N Network Management Technician
• 255S Information Protection Technician
• 255Z Senior Network Operations Technician

Enlisted

• 25B Information Technology Specialist
  Information technology specialist
  Information Technology Specialist or lnformation Systems Operator-Analyst is a Military Occupational Specialty in the United States Army...
  
  
• 25C Radio Operator Maintainer
• 25E Electromagnetic Spectrum Manager
• 25F Network Switching Systems Operator/Maintainer
• 25L Cable Systems Installer/Maintainer
• 25M Multimedia Illustrator
• 25N Nodal Network Systems Operators/Maintainer
• 25P Microwave Systems Operator/Maintainer
  25P Microwave Systems Operator/Maintainer
  25P is a military Occupational Specialty code in the United States Army Signal Corps for the job "Microwave Systems Operator/Maintainer"....
  
  
• 25Q Multichannel Transmission Systems Operator/Maintainer
• 25R Visual Information Equipment Operator/Maintainer
• 25S Satellite Communication Systems Operator/Maintainer
• 25T Satellite/Microwave Systems Chief
• 25U Signal Support Systems Specialist
  25U Signal Support Systems Specialist
  25U signal support systems specialist is a military occupational specialty in the United States Army's Signal Corps. The 25u maintains selected electronic devices, including versions of the Blue Force Tracker and various automated systems, as well as radio and data distribution systems.The 25U...
  
  
• 25V Combat Documentation/Production Specialist
• 25W Telecommunications Operations Chief
• 25X Senior Signal Sergeant
• 25Z Visual Information Operations Chief

Judge Advocate General Branch (JA)

Officer

• 27A Judge Advocate
• 27B Military Judge

Warrant

• 270A Legal Administrator
  Legal administrator
  A legal administrator is a non-attorney law office employee or law office manager responsible for a law firm's overall day-to-day operations. Legal administrators are responsible for ensuring the delivery of legal services by supervising staff and identifying and developing business opportunities...
  
  

Enlisted

• 27D Paralegal
  Paralegal
  Paralegal is used in most jurisdictions to describe a paraprofessional who assists qualified lawyers in their legal work. This is true in the United States and many other countries. However, in Ontario, Canada, paralegals are licensed by the Law Society of Upper Canada, giving paralegals an...
  
   Specialist

Electronic Warfare (EW)

Officer

• 29A Electronic Warfare Officer

Warrant

• 290A Electronic Warfare Technician

Enlisted

• 29E Electronic Warfare Specialist

Military Police Branch (MP)

Officer

• 31A Military Police
  Military police
  Military police are police organisations connected with, or part of, the military of a state. The word can have different meanings in different countries, and may refer to:...
  
  

Warrant

• 311A CID Special Agent

Enlisted

• 31B Military Police
  Military police
  Military police are police organisations connected with, or part of, the military of a state. The word can have different meanings in different countries, and may refer to:...
  
  
• 31D CID Special Agent
• 31E Internment/Resettlement Specialist

Financial Management Branch (FI)

Officer

• 36A Financial Manager

Enlisted

• 36B Financial Management Technician

Psychological Operations Branch (PO)

Officer

• 37A Psychological Operations
• 37X Psychological Operations, Designated

Enlisted

• 37F Psychological Operations Specialist

Civil Affairs Branch (CA)

Officer

• 38A Civil Affairs Officer
• 38X Civil Affairs, Designated

Enlisted

• 38B Civil Affairs Specialist

Adjutant General/Army Band Branch (AG)

Officer

• 42B Human Resources Officer
• 42C Army Bands
• 42H Senior Human Resources Officer

Warrant

• 420A Human Resources Technician
• 420C Bandmaster

Enlisted

• 42A Human Resource Specialist
• 42F Human Resource Information Systems Management Specialist
• 42R Army Bandperson
• 42S Special Army Band Member

Foreign Area Officer

Foreign area officer

A Foreign Area Officer is a commissioned officer from any of the four branches of the United States Armed Forces who is a regionally focused expert in political-military operations. Such officers possess a unique combination of strategic focus and regional expertise, with political, cultural,...

 FA

Officer

• 48B Latin America
• 48C Europe
• 48D South Asia
• 48E Eurasia
• 48F China
• 48G Mideast/North Africa
• 48H Northeast Asia
• 48I Southeast Asia
• 48J Africa, South of the Sahara
• 48X Foreign Area Officer

Operations Research/Systems Analysis (ORSA) FA

Officer

• 49A Operations Research/Systems Analysis
• 49W Trained, ORSA
• 49X Untrained, ORSA

Research, Development & Acquisition FA/Acquisition, Logistics & Technology CMF

Officer

• 51A Systems Development
• 51C Contract and Industrial Management
• 51R Systems Automation Acquisition and Engineering
• 51S Research and Engineering
• 51T Test and Evaluation
• 51Z Acquisitions

Enlisted

• 51C Acquisition, Logistics & Technology (AL&T) Contracting NCO

Nuclear and Counterproliferation FA

Officer

• 52B Nuclear and Counterproliferation

Enlisted

• 52D power generation tect

Systems Automation Officer FA

Officer

• 53A Information Systems Management
• 53X Designated Systems Automation

Simulation Operations FA57

Officer

• 57A Simulation Operations: Functional Area 57 (FA57) Simulation Operations Officers leverage live, virtual, constructive, and gaming models and simulations to create synthetic environments where Leaders and Soldiers can plan, train, test, experiment, learn, and operate to support the broad spectrum of military operations. FA57s use their operational experience and technical training to bridge the gap between the "Tactical" and the "Technical" for the Warfighter. FA57's three core competencies meet the Army's need for subject matter expertise in Modeling and Simulations, Operational Knowledge Management and Mission Command Systems Integration. Serving in diverse assignments from brigade through Army and Joint staff, FA57s meet a vital role for the Army by linking operational requriements and technical solutions. There are approximately 450 FA57s serving the total Army including the Active Force, Army National Guard and Army Reserve.

Medical Corps Branch (MC)

Medical Corps (United States Army)

The Medical Corps of the U.S. Army is a staff corps of the U.S. Army Medical Department consisting of commissioned medical officers – physicians with either an MD or a DO degree, at least one year of post-graduate clinical training, and a state medical license.The MC traces its earliest origins...

Officer

Veterinary Corps Branch (VC)

Officer

• 64A Field Veterinary Service
• 64B Veterinary Preventive Medicine
• 64C Veterinary Laboratory Animal Medicine
• 64D Veterinary Pathology
• 64E Veterinary Comparative Medicine
• 64F Veterinary Clinical Medicine
• 64Z Senior Veterinarian (Immaterial)

Warrant

• 640A Food Safety Officer

Medical Specialist Corps Branch (SP)

Officer

• 65A Occupational Therapy
• 65B Physical Therapy
• 65C Dietitian
• 65D Physician Assistant
• 65X Specialist Allied Operations

Nurse Corps Branch (AN)

Officer

• 66B Community Health Nurse
• 66C Psychiatric/Mental Health Nurse
• 66E Perioperative Nurse
• 66F Nurse Anesthetist
• 66G Obstetrics and Gyneco
• 66H Medical-Surgical Nurse
• 66N Generalist Nurse
• 66P Family Nurse Practitioner

Medical Service Corps Branch (MS)

Officer

• 67A Health Services
• 67B Laboratory Sciences
• 67C Preventive Medicine Sciences
• 67D Behavioral Sciences
  Behavioural sciences
  The term behavioural sciences encompasses all the disciplines that explore the activities of and interactions among organisms in the natural world. It involves the systematic analysis and investigation of human and animal behaviour through controlled and naturalistic observation, and disciplined...
  
  
• 67E Pharmacy
  Pharmacy
  Pharmacy is the health profession that links the health sciences with the chemical sciences and it is charged with ensuring the safe and effective use of pharmaceutical drugs...
  
  
• 67F Optometry
  Optometry
  Optometry is a health care profession concerned with eyes and related structures, as well as vision, visual systems, and vision information processing in humans. Optometrists, or Doctors of Optometry, are state licensed medical professionals trained to prescribe and fit lenses to improve vision,...
  
  
• 67G Podiatry
  Podiatry
  Podiatry is a branch of medicine devoted to the study, diagnosis, and treatment of disorders of the foot, ankle, and lower leg. The term podiatry came into use first in the early 20th century United States, where it now denotes a Doctor of Podiatric Medicine , a specialist who is qualified by their...
  
  
• 67J Aeromedical Evacuation
  Aeromedical evacuation
  Aeromedical Evacuation usually refers to specialized medical transportation units in the United States Air Force. Within the U.S. Air Force, AE is coordinated by Air Mobility Command located at Scott Air Force Base, Illinois...
  
  

Warrant

• 670A Health Services Maintenance Technician

Medical CMF

Enlisted

• 68A Biomedical Equipment Specialist
• 68D Operating Room Specialist
• 68E Dental Specialist
• 68G Patient Administration Specialist
• 68H Optical Laboratory Specialist
• 68J Medical Logistics Specialist
• 68K Medical Laboratory Specialist
• 68M Nutrition Care Specialist
• 68P Radiology Specialist
• 68Q Pharmacy Specialist
• 68R Food Safety Inspector
• 68S Preventive Medicine Specialist
• 68T Animal Care Specialist
• 68V Respiratory Specialist
• 68 W Healthcare Specialist (Combat Medic)
• 68X Behavioral Health Specialist
• 68Z Chief Medical NCO

Chemical Branch

Chemical Corps (United States Army)

The Chemical Corps is the branch of the United States Army tasked with defending against Chemical, Biological, Radiological, and Nuclear weapons...

 (CM)

Officer

• 74A Chemical, General
• 74B Chemical Operations and Training (to be del Oct 2010)
• 74C Chemical Munitions and Materiel Management (to be del Oct 2010)

Warrant

• 740A Chemical, Biological, Radiological and Nuclear (CBRN) Warrant Officer

Enlisted

• 74D Chemical Biological Radiological and Nuclear Operations Specialist

Recruiting and Retention CMF

Enlisted

• 79R Recruiter Noncommissioned Officer
• 79S Career Counselor
• 79T Recruiting and Retention NCO (ANG)
• 79V Retention and Transition NCO (USAR)

Logistics FA

United States Army Logistics Branch

The officer-only Logistics branch was introduced as part of the creation of a Logistics Corps encompassing the three long-established functional logistics branches of Quartermaster, Ordnance, and Transportation...

As of 1 Jan 2008, all officers from Quartermaster, Transportation and Ordnance branches who have attended the Captain's Career Course, with the exception of EOD officers (89E), will be transitioned to the new Logistics branch.

Officer

• 90A Multifunctional Logistician

Transportation Branch (TC)

Officer

• 88A Transportation, General
• 88B Traffic Management
• 88C Marine and Terminal Operations
• 88D Motor/Rail Transportation

Warrant

• 880A Marine Deck Officer
• 881A Marine Engineering Officer
• 882A Mobility Officer

Enlisted

• 88H Cargo Specialist
• 88K Watercraft Operator
• 88L Watercraft Engineer
• 88M Motor Transport Operator
• 88N Traffic Management Coordinator
• 88P Railway Equipment Repairer (RC)
• 88T Railway Section Repairer (RC)
• 88U Railway Operations Crew Member (RC)
• 88Z Transportation Senior Sergeant

Ammunition CMF, Mechanical Maintenance CMF & Ordnance Branch (OD)

Officer

• 89E Explosive Ordnance Disposal
• 91A Materiel Maintenance and Munitions Management Officer

Warrant

• 890A Ammunition Warrant Officer
• 913A Armament Systems Maintenance Warrant Officer
• 914A Allied Trades Warrant Officer
• 915A Automotive Maintenance Warrant Officer
• 915E Senior Automotive Maintenance Warrant Officer
• 919A Engineer Equipment Maintenance Warrant Officer
• 948D Electronic Missile Systems Maintenance Warrant Officer
• 948E Senior Electronics Maintenance Warrant Officer

Enlisted

• 89A Ammunition Stock Control and Accounting Specialist
• 89B Ammunition Specialist
• 89D Explosive Ordnance Disposal Specialist
• 91A M1 ABRAMS Tank System Maintainer (formerly 63A)
• 91B Wheeled Vehicle Mechanic (formerly 63B)
• 91C Utilities Equipment Repairer (formerly 52C)
• 91D Power Generation Equipment Repairer (formerly 52D)
• 91E Allied Trades Specialist (formerly 91E and 91W)
• 91F Small Arms/Artillery Repairer (formerly 45B)
• 91G Fire Control Repairer (formerly 45G)
• 91H Track Vehicle Repairer (formerly 63H)
• 91J Quartermaster and Chemical Equipment Repairer (formerly 63J)
• 91K Armament Repairer (formerly 45K)
• 91L Construction Equipment Repairer (formerly 62B)
• 91M Bradley Fighting Vehicle System Maintainer (formerly 63T)
• 91P Artillery Mechanic (formerly 63D)
• 91S Stryker Systems Maintainer
• 91W Metal Worker (formerly 44B)
• 91X Maintenance Supervisor (formerly 63X)
• 91Z Senior Maintenance Supervisor (formerly 63Z)
• 94A Land Combat Electronic Missile System Repairer
• 94D Air Traffic Control Equipment Repairer
• 94E Radio and Communication (COMSEC) Security Repairer
• 94F Computer/Detection Systems Repairer
• 94H Test Measurement and Diagnostic Equipment (TMDE) Maintenance Support Specialist
• 94L Avionic Communications Equipment Repairer
• 94M RADAR Repairer
• 94P Multiple Launch Rocket System (MLRS) Repairer
• 94R Avionics and Survivability Repairer
• 94S PATRIOT System Repairer
• 94T AVENGER System Repairer
• 94X Senior Missile Maintenance Supervisor
• 94W Electronic Maintenance Chief
• 94Y Integrated Family of Test Equipment (IFTE) Operator/Maintainer
• 94Z Senior Electronic Maintenance Chief

Quartermaster Corps Branch (QM)

Officer

• 92A Quartermaster Officer
• 92D Aerial Delivery and Materiel
• 92F Petroleum and Water

Warrant

• 920A Property Accounting Technician
• 920B Supply Systems Technician
• 921A Airdrop Systems Technician
• 922A Food Service Technician
• 923A Petroleum Systems Technician

Enlisted

• 92A Automated Logistical Specialist
• 92F Petroleum Supply Specialist
• 92G Food Service Specialist
• 92L Petroleum Laboratory Specialist
• 92M Mortuary Affairs
  Mortuary Affairs
  right|thumbnail|A soldier from a graves registration unit attempts identification of a skull during [[World War II]]Mortuary Affairs is a service within the United States Army Quartermaster Corps tasked with the retrieval, identification, transportation, and burial of deceased American and...
  
   Specialist
• 92R Parachute Rigger
• 92S Shower/Laundry and Clothing Repair Specialist
• 92W Water Treatment Specialist
• 92Y Unit Supply Specialist
• 92Z Senior Noncommissioned Logistician

Electronic Maintenance & Calibrations CMF

Warrant

• 948B Electronic Systems Maintenance Technician
• 948D Electronic Missile Systems Maintenance Technician
• 948E Senior Electronics Maintenance Technician

Enlisted

• 94A Land Combat Electronic Missile System Repairer
• 94D Air Traffic Control Equipment Repairer
• 94E Radio and Communications Security Repairer
• 94F Computer Detection Systems Repairer
• 94H Test, Measurement & Diagnostic Equipment Support Specialist
• 94K Apache Attack Helicopter Systems Repairer
• 94L Avionics Communications Equipment Repairer
• 94M Radar Repairer
• 94P Multiple Launch Rocket System Repairer
• 94R Avionic and Survivability Equipment Repairer
• 94S Patriot System Repairer
• 94T Avenger System Repairer
• 94W Electronic Maintenance Chief
• 94X Senior Missile Systems Maintainer
• 94Y Integrated Family of Test Equipment (IFTE) Operator and Maintainer
• 94Z Senior Electronic Maintenance Chief

See also

• Air Force Specialty Code
  Air Force Specialty Code
  The Air Force Specialty Code is an alphanumeric code used by the United States Air Force to identify an Air Force Specialty . Officer AFSCs consist of four characters and enlisted AFSCs consist of five characters. A letter prefix or suffix may be used with an AFSC when more specific identification...
  
  
• List of United States Marine Corps MOS

External links

• PAMXXI (Personnel Authorizations Module) Website
• PAMXXI (Personnel Authorizations Module) Website - MOS Charts
• Official Army career list
• "Korean War Educator, Topics - Military Occupational Specialty (MOS)", Korean War Educator Foundation. Provides list of MOSs during the Korean War era.
• “What Was my MOS? Vietnam-era MOS Codes”, 4th Battalion (Mechanized)/23rd Infantry Regiment "Tomahawks" Association Website. Provides list of MOSs during the Vietnam War era.